body,h2,p,h1,h3,h4,h5,h6,ul,form,dl,dd,dt{margin: 0;padding: 0;}
ul{list-style: none;}
a{text-decoration: none;color: #000;}
img{border: none;display: block;}
a:visited{color: #000;}
.icon {
    width: 1em; height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
 }
#main{
    overflow: hidden;
    margin: 0 auto;
    min-width: 640px;
    width: 640px;
    display: flex;
}
/* 尾 */
.bnav{
    position: fixed;
    left: 0;bottom: 0;
    background-color: #fff;
    width: 100%;
    height: 20vw;
    border-top: 1px solid #e3e3e3;
    z-index: 5;
}
.bnav li{
    width: 20%;
    text-align: center;
}
.bnav>ul{
    display: flex;
}
.bnav .icon{
    font-size: 10vw;
    margin: 5px 0;
}
.bnav p{
    color: #000;
    font-size: 4vw;
    line-height: 26px;
    letter-spacing: 3px;
}
 /* 头 */
 .tnav,.tnav1{
    left: 0;top: 0px;
    width: 100%;
    height: 40px;
    padding-left: 3%;
    background-color: #fff;
    position: fixed;
    display: flex;
    align-items: center;
    z-index: 5;
 }
 .tnav span{
    width: 14%;
    text-align: center;
    color: #000;
    line-height: 26px;
    letter-spacing: 3px;
    font-size: 3vw;
 }
 .tnav1{
    left: 0;top: 40px;
    width: 100%;
    height: 50px;
    position: fixed;
    display: flex;
    align-items: center;
    z-index: 5;
 }
 .tnav1_1{
    display: flex;
    width: 100%;
    align-items: center;
 }
 .tnav1_1>li:nth-of-type(1){
    width: 10%;
    margin: 0 3%;
 }
 .tnav1_1>li:nth-of-type(2){
    width: 50%;
    margin: 0 5% 0 0;
 }
 .tnav1_1>li:nth-of-type(3){
    width: 20%;
    margin: 0 5%;
 }
 .tnav1_1 img{
    width: 40px;
    height: 40px;
 }
 .tnav1_1 button{
    background-color: #ff613e;
    border-radius: 10px;
    border: 0;
    color: #fff;

 }

/* 内容 */





.content{
    width: 100%;
    position: absolute;
    top: 40px;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
}
.top_search{
    width: 90%;
    height: 40px;
    display: flex;
    position: fixed;
    top: 40px;
    padding-left: 5%;
    padding-right: 5%;
    justify-content: space-between;
    align-items: center;
    background-color: #fff;
    z-index: 4;
}
.top_left{
    width: 70%;
    height: 30px;
}
.search{
    width: 100%;
    height: 30px;
    border:2px solid #000;
    border-radius: 30px;
    padding-left: 50px;
}
.search_icon{
    position: absolute;
    z-index: 5;
    top: 13px;
    left: 50px;
    font-size: 16px;

}
.top_right{
    width: 30%;
    display: flex;
    height: 40px;
}

.top_right .ticon{
    width: 50%;
    height: 40px;
    border-radius: 30px;
    background-color: #eee;
}
.fenlei_icon{
    margin: 5px;
    font-size: 25px;
}



.new{
    width: 100%;
    height: 20px;
    line-height: 20px;
    margin:10px 5% 0;
    
}
.new h2{
    font-size: 16px;
}
.content ul{
    width: 100%;
    position: absolute;
    top: 50px;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
}
.content_text{
    width: 90%;
    margin: 5% 5% 0 5%;
    height: 50px;
}
.content_text p{
    
    font-size: 20px;
}
.content_text a{
    font-size: 14px;
    color: #aaa;
}

.content .content_li{
    width: 40%;
    height: 400px;
    background-color: #e9e6e6;
    border-radius: 10px;
    margin:5vw 5%;
    position: relative;
    
}
.content .tj{
    position: absolute;
    top: 10;right:0;
    background-color: #303b2d;
    width: 30px;height: 20px;
    text-align: center;
    line-height: 20px;
    border-radius: 0px 10px;
    font-size: 12px;
    
}.content .iconfont{
    font-size: 20px;
    color: #fff;
}
.content .iconfont2{
    
    color: #f00;
}
.content img{
    width: 100%;
    height: 85%;
    border-radius: 10px 10px 0 0;
}
.content h4{
    margin: 3px 10px;
    font-size: 16px;
}
.content span{
    margin: 2px 10px;
    font-size: 14px;
    color: #aaa;
}

.null{
    width: 100%;
    height: 100px;
    
}